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ossify

[os-uh-fahy] /ˈɒs əˌfaɪ/
verb (used with object), ossified, ossifying.
1.
to convert into or cause to harden like bone.
verb (used without object), ossified, ossifying.
2.
to become bone or harden like bone.
3.
to become rigid or inflexible in habits, attitudes, opinions, etc.:
a young man who began to ossify right after college.
Origin
1705-1715
1705-15; < Latin ossi- (stem of os) bone + -fy
Related forms
ossifier, noun
unossifying, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un ossifying

ossify

/ˈɒsɪˌfaɪ/
verb -fies, -fying, -fied
1.
to convert or be converted into bone
2.
(intransitive) (of habits, attitudes, etc) to become inflexible
Derived Forms
ossifier, noun
Word Origin
C18: from French ossifier, from Latin os bone + facere to make
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for un ossifying

ossify

v.

1713, "to turn into bone," a back-formation from ossification, or else modeled on French ossifier (18c.) and formed from Latin os (genitive ossis) "bone" (see osseous) + -fy. Figurative sense is from 1858. Related: Ossified; ossifying.

Online Etymology Dictionary, © 2010 Douglas Harper
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un ossifying in Medicine

ossify os·si·fy (ŏs'ə-fī')
v. os·si·fied, os·si·fy·ing, os·si·fies
To change into bone.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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